#3141507Chemical laboratory.Sign in or register,to downloadAdd to cartRemove from cartCategories: Science & TechnologyLocation: RussiaEvent date: 01.06.1973Date published: 28.06.2017Author: Vladimir BogatyrevCredit: SputnikSource: SputnikOriginal: D73-4736, 6x6 slideMedia: JPEG, 4724x4837px, 16.3Mb70sflasklaboratoryrefiningreflectionwater